<?php

namespace AcyMailing\Controllers\Mails;

use AcyMailing\Classes\MailClass;
use AcyMailing\Classes\TagClass;
use AcyMailing\Helpers\ExportHelper;
use AcyMailing\Helpers\PaginationHelper;
use AcyMailing\Helpers\ToolbarHelper;
use AcyMailing\Helpers\UpdateHelper;

trait Listing
{
    public function listing(): void
    {
        acym_setVar('layout', 'listing');

        // Get filters data
        $searchFilter = $this->getVarFiltersListing('string', 'mails_search', '');
        $tagFilter = $this->getVarFiltersListing('string', 'mails_tag', '');
        $ordering = $this->getVarFiltersListing('cmd', 'mails_ordering', 'creation_date');
        $orderingSortOrder = $this->getVarFiltersListing('cmd', 'mails_ordering_sort_order', 'desc');

        $pagination = new PaginationHelper();
        // Get pagination data
        $mailsPerPage = $pagination->getListLimit();
        $page = $this->getVarFiltersListing('int', 'mails_pagination_page', 1);
        $mailClass = new MailClass();
        $status = MailClass::TYPE_STANDARD;

        $requestData = [
            'ordering' => $ordering,
            'search' => $searchFilter,
            'elementsPerPage' => $mailsPerPage,
            'offset' => ($page - 1) * $mailsPerPage,
            'tag' => $tagFilter,
            'status' => $status,
            'ordering_sort_order' => $orderingSortOrder,
            'onlyStandard' => true,
        ];
        $matchingMails = $this->getMatchingElementsFromData($requestData, $status, $page);


        $matchingMailsNb = count($matchingMails['elements']);

        if (empty($matchingMailsNb) && $page > 1) {
            $this->setVarFiltersListing('mails_pagination_page', 1);
            $this->listing();

            return;
        }

        // Prepare the pagination
        $pagination->setStatus($matchingMails['total']->total, $page, $mailsPerPage);

        ob_start();
        require acym_getView('mails', 'listing_import', true);
        $templateImportView = ob_get_clean();

        $tagClass = new TagClass();
        $mailsData = [
            'allMails' => $matchingMails['elements'],
            'allTags' => $tagClass->getAllTagsByType(TagClass::TYPE_MAIL),
            'pagination' => $pagination,
            'search' => $searchFilter,
            'tag' => $tagFilter,
            'ordering' => $ordering,
            'status' => $status,
            'mailNumberPerStatus' => $matchingMails['status'],
            'orderingSortOrder' => $orderingSortOrder,
            'templateImportView' => $templateImportView,
            'mailClass' => $mailClass,
            'favoriteTemplateId' => (int)$this->config->get('favorite_template', 0),
        ];

        if (!empty($mailsData['tag'])) {
            $mailsData['status_toolbar'] = [
                'mails_tag' => $mailsData['tag'],
            ];
        }

        $this->prepareToolbar($mailsData);
        parent::display($mailsData);
    }

    public function prepareToolbar(array &$data): void
    {
        $toolbarHelper = new ToolbarHelper();
        $toolbarHelper->addSearchBar($data['search'], 'mails_search', 'ACYM_SEARCH');
        $toolbarHelper->addFilterByTag($data, 'mails_tag', 'acym__templates__filter__tags acym__select');
        $toolbarHelper->addButton(acym_translation('ACYM_ADD_DEFAULT_TMPL'), ['data-task' => 'installDefaultTmpl', 'id' => 'acym__mail__install-default'], 'content_copy');

        $toolbarHelper->addModalButton(
            [
                'button' => '<i class="acymicon-download"></i>'.esc_html(acym_translation('ACYM_IMPORT')),
                'modalContent' => $data['templateImportView'],
                'id' => 'acym__template__import__reveal',
                'attributesButton' => [
                    'class' => 'button button-secondary cell medium-6 large-shrink',
                    'data-reload' => 'true',
                    'data-ajax' => 'false',
                ],
            ]
        );

        $toolbarHelper->addModalButton(
            [
                'button' => '<i class="acymicon-add"></i>'.esc_html(acym_translation('ACYM_CREATE')),
                'modalContent' => '<div class="cell grid-x grid-margin-x">
                <button type="button" data-task="edit" data-editor="html" class="acym__create__template button cell large-auto small-6 margin-top-1 button-secondary">'.esc_html(
                        acym_translation('ACYM_HTML_EDITOR')
                    ).'</button>
                <button type="button" data-task="edit" data-editor="acyEditor" class="acym__create__template button cell medium-auto margin-top-1">'.esc_html(
                        acym_translation('ACYM_DD_EDITOR')
                    ).'</button>
            </div>',
                'attributesButton' => [
                    'class' => 'acym_vcenter button cell medium-6 large-shrink',
                ],
                'isLarge' => false,
            ]
        );

        $data['toolbar'] = $toolbarHelper;
    }

    public function doUploadTemplate(): void
    {
        wp_verify_nonce(acym_getVar('cmd', '_wpnonce'), 'acymnonce') || die('Invalid Token');

        if (!acym_isAdmin() || !acym_isAllowed('mails')) {
            die('Access denied');
        }

        $mailClass = new MailClass();
        $mailClass->doupload();

        $this->listing();
    }

    public function export(): void
    {
        wp_verify_nonce(acym_getVar('cmd', '_wpnonce'), 'acymnonce') || die('Invalid Token');

        // Get passed data and check if we have everything we need
        $templateId = acym_getVar('int', 'templateId', 0);

        if (empty($templateId)) {
            exit;
        }

        $mailClass = new MailClass();
        $template = $mailClass->getOneById($templateId);

        // We have all we need for the export, prepare the headers for the download
        $exportHelper = new ExportHelper();
        $exportHelper->exportTemplate($template);

        exit;
    }

    public function installDefaultTmpl(): void
    {
        wp_verify_nonce(acym_getVar('cmd', '_wpnonce'), 'acymnonce') || die('Invalid Token');

        $updateHelper = new UpdateHelper();
        $updateHelper->installTemplates();

        $this->listing();
    }

    public function favorite(): void
    {
        wp_verify_nonce(acym_getVar('cmd', '_wpnonce'), 'acymnonce') || die('Invalid Token');

        $templateId = acym_getVar('int', 'templateId', 0);

        if (empty($templateId)) {
            acym_enqueueMessage(acym_translationSprintf('ACYM_NOT_FOUND', acym_translation('ACYM_TEMPLATE')), 'error');
            $this->listing();

            return;
        }

        $favoriteTemplateId = $this->config->get('favorite_template', 0);
        $this->config->saveConfig(['favorite_template' => (int)$favoriteTemplateId === $templateId ? 0 : $templateId]);

        $this->listing();
    }

    public function massDuplicate(): void
    {
        wp_verify_nonce(acym_getVar('cmd', '_wpnonce'), 'acymnonce') || die('Invalid Token');

        $ids = acym_getVar('array', 'elements_checked', []);
        if (!empty($ids)) {
            $this->duplicate($ids);
        }
        $this->listing();
    }

    public function oneDuplicate(): void
    {
        wp_verify_nonce(acym_getVar('cmd', '_wpnonce'), 'acymnonce') || die('Invalid Token');

        $templateId = acym_getVar('int', 'templateId', 0);

        if (empty($templateId)) {
            acym_enqueueMessage(acym_translation('ACYM_TEMPLATE_DUPLICATE_ERROR'), 'error');
            $this->listing();

            return;
        }

        $this->duplicate([$templateId]);
        $this->listing();
    }

    public function duplicate(array $templates = []): void
    {
        $mailClass = new MailClass();
        $tmplError = [];
        foreach ($templates as $templateId) {
            $oldTemplate = $mailClass->getOneById($templateId);

            if (empty($oldTemplate)) {
                $tmplError[] = $templateId;
                continue;
            }

            $newTemplate = $oldTemplate;
            $newTemplate->id = 0;
            $newTemplate->name = $oldTemplate->name.'_copy';
            $newTemplate->creator_id = acym_currentUserId();
            unset($newTemplate->thumbnail);

            $mailClass->save($newTemplate);
        }
        if (!empty($tmplError)) {
            acym_enqueueMessage(acym_translationSprintf('ACYM_TEMPLATE_X_DUPLICATE_ERROR', implode(', ', $tmplError)), 'error');
        }
    }

    public function delete(): void
    {
        parent::delete();

        $returnListing = acym_getVar('string', 'return_listing', '');
        if (!empty($returnListing)) {
            if (acym_isAdmin()) {
                acym_redirect(acym_completeLink($returnListing, false, true));
            } else {
                $itemId = acym_getVar('int', 'acym_itemid');
                $itemId = empty($itemId) ? '' : '&Itemid='.$itemId;
                $urlRedirect = acym_completeLink($returnListing.$itemId, false, true);
                acym_redirect($urlRedirect);
            }
        }
    }

    public function getMailByIdAjax(): void
    {
        wp_verify_nonce(acym_getVar('cmd', '_wpnonce'), 'acymnonce') || die('Invalid Token');
        $mailId = acym_getVar('int', 'id', 0);
        if (empty($mailId)) {
            acym_sendAjaxResponse(acym_translation('ACYM_COULD_NOT_FIND_MAIL'), [], false);
        }

        $mailClass = new MailClass();
        $mail = $mailClass->getOneById($mailId);
        if (empty($mail)) {
            acym_sendAjaxResponse(acym_translation('ACYM_COULD_NOT_FIND_MAIL'), [], false);
        }

        if (!$mailClass->hasUserAccess($mailId)) {
            die('Access denied for this mail');
        }

        acym_sendAjaxResponse('', ['mail' => $mail]);
    }
}